231434211 has 8 divisors (see below), whose sum is σ = 321995520. Its totient is φ = 147581192.

The previous prime is 231434179. The next prime is 231434233. The reversal of 231434211 is 112434132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231434211 - 2⁵ = 231434179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231434711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676991 + ... + 1677128.

It is an arithmetic number, because the mean of its divisors is an integer number (40249440).

Almost surely, 2^231434211 is an apocalyptic number.

231434211 is a deficient number, since it is larger than the sum of its proper divisors (90561309).

231434211 is a wasteful number, since it uses less digits than its factorization.

231434211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354145.

The product of its digits is 576, while the sum is 21.

The square root of 231434211 is about 15212.9619403981. The cubic root of 231434211 is about 613.9634519019.

Adding to 231434211 its reverse (112434132), we get a palindrome (343868343).

The spelling of 231434211 in words is "two hundred thirty-one million, four hundred thirty-four thousand, two hundred eleven".